Living Proof Perfect hair Day (PhD) 5-in-1 Styling Treatment is designed to smooth, volumize, condition, strengthen and polish hair in one simple step. Delivers 5 benefits in 1 step Creates a style with volume and smoothness Conditions, strengthens and adds shine Provides heat protection (up to 450 F/230 C) Provides UV protection Suitable for most hair types Safe for color and chemically treated hair Free of silicones, SLES, SLS, phthalates and gluten Ingredients Healthy Hair Molecule: Forms a weightless shield around each hair strand to smooth, protect and polish Thickening Molecule: Deposits microscopic thickening dots between strands for fuller-looking hair Tucuma Butter: Conditions dry and damaged hair Conditioning Styling Polymer: Provides thermal protection and soft, flexible hold Suggested Use Apply to damp hair Blow dry with a round brush to enhance volume and body Blow dry with a flat brush for a smooth, polished blowout Finish with a flat iron for a sleek finish Finish with a curling iron for soft waves Usage Tips: For curly hair, use with a diffuser To increase hold, mist damp or dry hair with Style Lab Flex Hairspray For very fine hair seeking more volume, consider using Full Thickening Mousse For very coarse hair seeking more sleekness, consider layering with No Frizz Nourishing Styling Cream or using Restore Smooth Blowout Concentrate